Caused by: java.lang.NullPointerException: null
at org.apache.tomcat.websocket.server.WsServerContainer.<init>(WsServerContainer.java:78)
at org.apache.tomcat.websocket.server.WsSci.init(WsSci.java:137)
at org.apache.tomcat.websocket.server.WsSci.onStartup(WsSci.java:49)
at com.tongweb.container.core.StandardContext.startInternal(StandardContext.java:5128)
at com.tongweb.container.util.LifecycleBase.start(LifecycleBase.java:183)
... 22 common frames omitted
这是由于在TongWeb上部署的应用里有tomcat-websocket.jar，导致TongWeb加载tomcat, 将应用此jar删除即可。